To Next PageTo Next PageWhy does my JVC KD-R721BT display “READING” continuously?
If “READING” keeps flashing on the display, a longer readout time is required. Alternatively, turn off the power and then on again, or reattach the USB device.
Why is my JVC KD-R721BT phone sound quality poor?
If the phone sound quality is poor, try reducing the distance between the unit and the Bluetooth mobile phone. You can also move the car to a location with better signal reception.
How to fix echo or noise on JVC KD-R721BT Car Receiver?
If you are experiencing echo or noise, adjust the microphone unit’s position.
What does “NO FILE” mean on my JVC KD-R721BT Car Receiver display?
If “NO FILE” appears on the display, check whether the selected folder, the connected USB device, or the iPod/iPhone contains a playable file.
Why does my JVC KD-R721BT say “NOT SUPPORT” and skip tracks?
If “NOT SUPPORT” appears and the track skips, skip to the next track encoded in an appropriate format or to the next non-copy-protected WMA track.
What does “PLEASE WAIT” mean on my JVC KD-R721BT Car Receiver display?
If “PLEASE WAIT” appears on the display, it means that the unit is preparing to use the Bluetooth function. If the message persists, turn the unit off and then on again, then reconnect the device or reset the unit.
How to fix interrupted sound on JVC KD-R721BT Car Receiver when using auxiliary input?
To prevent sound interruptions when using the auxiliary input, ensure that you are using the recommended stereo mini plug for the connection.
Why is the sound interrupted while playing a track on my JVC KD-R721BT Car Receiver?
If the sound is sometimes interrupted while playing a track, it could be that the tracks have not been properly copied onto the USB device. Try copying the tracks again to the USB device.
What does “NO DISC” mean on my JVC KD-R721BT display?
If “NO DISC” appears on the display, insert a playable disc into the loading slot.
What to do if my JVC KD-R721BT is making static noise while listening to the radio?
If you are experiencing static noise while listening to the radio, ensure the aerial is firmly connected.
General| MP3 playback | Yes |
|---|---|
| Audio formats supported | MP3, WAV, WMA |
| Tuner type | HS-IV |
| Output power | 200 W |
| Audio output channels | 4.0 channels |
| Maximum power per channel | 50 W |
| I/O ports | USB x 2 AUX-IN |
Essential safety warnings for laser products, general cautions, and proper disposal methods for equipment and batteries.
Procedures for panel detachment/attachment, unit reset, disc ejection, cleaning, and disc handling.
Canceling display demonstration and setting the unit's clock.
Guide to remote controller preparation and basic unit operations and button functions.
Overview of the main unit's controls, terminals, and general button operations.
Tuning stations, improving FM reception, automatic presetting (SSM), PTY Search, and TA reception.
Instructions for playing discs, stopping playback, and ejecting discs.
Selecting tracks, playback modes (repeat/random), and changing display for MP3/WMA files.
Connecting, operating, and cautions for USB devices, including compatibility and file formats.
Overview of Bluetooth, supported profiles, pairing procedures, and connection confirmation.
Managing phone calls, contacts, settings, and using the Bluetooth audio player.
Connecting, controlling, selecting tracks, and navigating menus for iPod/iPhone playback.
Connecting external devices via AUX and selecting/storing sound modes for audio customization.
Navigating menu operations and configuring settings like display, dimmer, and tuner preferences.
Solutions for common issues with playback, connectivity, Bluetooth, and general unit operation.
Detailed technical data for audio, USB, Bluetooth, general hardware, and dimensions.
List of countries where the Bluetooth function is supported and usable.
